Cross-site scripting in neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the page parameter in all versions up to, and including, 3.1.77 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| neeraj_slit | Brevo – Email, SMS, Web Push, Chat, and more. | up to 3.1.77 | — | No fix listed | CNA |
- Brevo – Email, SMS, Web Push, Chat, and more. Vendorneeraj_slit Affected up to 3.1.77 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15297
- 2026-10-03 Alias added: GHSA-gfch-rpr6-7jf3
References
Other 3
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bf4cb79e-e62b-4991-8ee5-493dafe38b80?source=cve
- https://plugins.trac.wordpress.org/browser/mailin/trunk/inc/table-forms.php#L102
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3055756%40mailin%2Ftrunk&old=3032712%40mailin%2Ftrunk&sfp_email=&sfph_mail=
More neeraj_slit vulnerabilities
- TI-2025-13186 Brevo for WooCommerce <= 4.0.49 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
- TI-2025-13504 Brevo - Email, SMS, Web Push, Chat, and more. <= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-15297 · CVE Program
- CVE-2026-15297 · NVD
- FIRST EPSS
- GHSA-gfch-rpr6-7jf3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences